1/* Copyright (c) 2013-2015 Jeffrey Pfau
  2 *
  3 * This Source Code Form is subject to the terms of the Mozilla Public
  4 * License, v. 2.0. If a copy of the MPL was not distributed with this
  5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
  6#ifndef QGBA_GAME_CONTROLLER
  7#define QGBA_GAME_CONTROLLER
  8
  9#include <QAtomicInt>
 10#include <QFile>
 11#include <QImage>
 12#include <QObject>
 13#include <QString>
 14#include <QTimer>
 15
 16#include <memory>
 17
 18#include <mgba/core/core.h>
 19#include <mgba/core/thread.h>
 20#include <mgba/gba/interface.h>
 21#include <mgba/internal/gba/input.h>
 22#ifdef BUILD_SDL
 23#include "platform/sdl/sdl-events.h"
 24#endif
 25
 26struct Configuration;
 27struct GBAAudio;
 28struct mCoreConfig;
 29struct mDebugger;
 30struct mTileCache;
 31
 32class QThread;
 33
 34namespace QGBA {
 35
 36class AudioProcessor;
 37class InputController;
 38class MultiplayerController;
 39class Override;
 40
 41class GameController : public QObject {
 42Q_OBJECT
 43
 44public:
 45	static const bool VIDEO_SYNC = false;
 46	static const bool AUDIO_SYNC = true;
 47
 48	class Interrupter {
 49	public:
 50		Interrupter(GameController*, bool fromThread = false);
 51		~Interrupter();
 52
 53	private:
 54		GameController* m_parent;
 55		bool m_fromThread;
 56	};
 57
 58	GameController(QObject* parent = nullptr);
 59	~GameController();
 60
 61	const uint32_t* drawContext() const { return m_drawContext; }
 62	mCoreThread* thread() { return &m_threadContext; }
 63	mCheatDevice* cheatDevice() { return m_threadContext.core ? m_threadContext.core->cheatDevice(m_threadContext.core) : nullptr; }
 64
 65	void threadInterrupt();
 66	void threadContinue();
 67
 68	bool isPaused();
 69	bool isLoaded() { return m_gameOpen && mCoreThreadIsActive(&m_threadContext); }
 70	mPlatform platform() const;
 71
 72	bool audioSync() const { return m_audioSync; }
 73	bool videoSync() const { return m_videoSync; }
 74	QSize screenDimensions() const;
 75
 76	void setInputController(InputController* controller) { m_inputController = controller; }
 77
 78	void setMultiplayerController(MultiplayerController* controller);
 79	MultiplayerController* multiplayerController() { return m_multiplayer; }
 80	void clearMultiplayerController();
 81
 82	void setOverride(Override* override);
 83	Override* override() { return m_override; }
 84	void clearOverride();
 85
 86	void setConfig(const mCoreConfig*);
 87
 88	int stateSlot() const { return m_stateSlot; }
 89
 90#ifdef USE_GDB_STUB
 91	mDebugger* debugger();
 92	void setDebugger(mDebugger*);
 93#endif
 94
 95	std::shared_ptr<mTileCache> tileCache();
 96
 97signals:
 98	void frameAvailable(const uint32_t*);
 99	void gameStarted(mCoreThread*, const QString& fname);
100	void gameStopped(mCoreThread*);
101	void gamePaused(mCoreThread*);
102	void gameUnpaused(mCoreThread*);
103	void gameCrashed(const QString& errorMessage);
104	void gameFailed();
105	void stateLoaded(mCoreThread*);
106	void rewound(mCoreThread*);
107	void unimplementedBiosCall(int);
108
109	void luminanceValueChanged(int);
110
111	void statusPosted(const QString& message);
112	void postLog(int level, int category, const QString& log);
113
114public slots:
115	void loadGame(const QString& path);
116	void loadGame(VFile* vf, const QString& path, const QString& base);
117	void loadBIOS(int platform, const QString& path);
118	void loadSave(const QString& path, bool temporary = true);
119	void yankPak();
120	void replaceGame(const QString& path);
121	void setUseBIOS(bool);
122	void loadPatch(const QString& path);
123	void importSharkport(const QString& path);
124	void exportSharkport(const QString& path);
125	void bootBIOS();
126	void closeGame();
127	void setPaused(bool paused);
128	void reset();
129	void frameAdvance();
130	void setRewind(bool enable, int capacity, bool rewindSave);
131	void rewind(int states = 0);
132	void startRewinding();
133	void stopRewinding();
134	void keyPressed(int key);
135	void keyReleased(int key);
136	void cursorLocation(int x, int y);
137	void cursorDown(bool);
138	void clearKeys();
139	void setAutofire(int key, bool enable);
140	void setAudioBufferSamples(int samples);
141	void setAudioSampleRate(unsigned rate);
142	void setAudioChannelEnabled(int channel, bool enable = true);
143	void startAudio();
144	void setVideoLayerEnabled(int layer, bool enable = true);
145	void setFPSTarget(float fps);
146	void loadState(int slot = 0);
147	void saveState(int slot = 0);
148	void loadBackupState();
149	void saveBackupState();
150	void setTurbo(bool, bool forced = true);
151	void setTurboSpeed(float ratio);
152	void setSync(bool);
153	void setAVStream(mAVStream*);
154	void clearAVStream();
155	void reloadAudioDriver();
156	void setSaveStateExtdata(int flags);
157	void setLoadStateExtdata(int flags);
158
159#ifdef USE_PNG
160	void screenshot();
161#endif
162
163	void setLuminanceValue(uint8_t value);
164	uint8_t luminanceValue() const { return m_luxValue; }
165	void setLuminanceLevel(int level);
166	void increaseLuminanceLevel() { setLuminanceLevel(m_luxLevel + 1); }
167	void decreaseLuminanceLevel() { setLuminanceLevel(m_luxLevel - 1); }
168
169	void setRealTime();
170	void setFixedTime(const QDateTime& time);
171	void setFakeEpoch(const QDateTime& time);
172
173	void setLogLevel(int);
174	void enableLogLevel(int);
175	void disableLogLevel(int);
176
177private slots:
178	void openGame(bool bios = false);
179	void crashGame(const QString& crashMessage);
180	void cleanGame();
181
182	void pollEvents();
183	void updateAutofire();
184
185private:
186	void updateKeys();
187	void redoSamples(int samples);
188	void enableTurbo();
189
190	uint32_t* m_drawContext;
191	uint32_t* m_frontBuffer;
192	mCoreThread m_threadContext;
193	const mCoreConfig* m_config;
194	mCheatDevice* m_cheatDevice;
195	int m_activeKeys;
196	int m_activeButtons;
197	int m_inactiveKeys;
198	int m_logLevels;
199
200	bool m_gameOpen;
201
202	QString m_fname;
203	QString m_fsub;
204	VFile* m_vf;
205	QString m_bios;
206	bool m_useBios;
207	QString m_patch;
208	Override* m_override;
209
210	QThread* m_audioThread;
211	AudioProcessor* m_audioProcessor;
212
213	QAtomicInt m_pauseAfterFrame;
214	QList<std::function<void ()>> m_resetActions;
215
216	bool m_sync;
217	bool m_videoSync;
218	bool m_audioSync;
219	float m_fpsTarget;
220	bool m_turbo;
221	bool m_turboForced;
222	float m_turboSpeed;
223	bool m_wasPaused;
224
225	std::shared_ptr<mTileCache> m_tileCache;
226
227	bool m_audioChannels[6];
228	bool m_videoLayers[5];
229
230	bool m_autofire[GBA_KEY_MAX];
231	int m_autofireStatus[GBA_KEY_MAX];
232
233	int m_stateSlot;
234	struct VFile* m_backupLoadState;
235	QByteArray m_backupSaveState;
236	int m_saveStateFlags;
237	int m_loadStateFlags;
238
239	InputController* m_inputController;
240	MultiplayerController* m_multiplayer;
241
242	mAVStream* m_stream;
243
244	struct GameControllerLux : GBALuminanceSource {
245		GameController* p;
246		uint8_t value;
247	} m_lux;
248	uint8_t m_luxValue;
249	int m_luxLevel;
250};
251
252}
253
254#endif